Ok for internittent, not for continuous

Reviewer: A viewer
from FAIRFAX, VA USA

Used these in the lab to indicate power to devices under long term test conditions. After about six weeks, the interior began to blacken. Now six months and they're very dark. Still work as indicators but probably won't make it another six months. Happened equally to all ten. Guessing they are improperly evacuated during manufacture.

Neon Lamp with long leads

Reviewer: A viewer
from Sask, CA

It is assembled very well, with high quality sleeve and wire. Due to its size, it is most likely suited for temporary or flashing applications (for longer life), and a rectifier would increase its life.

I use it as stroboscope for turntable speed testing, and it is also good as an AC receptacle tester that can be tossed in a glove box or tool box.